ATI RN
Questions About the Nervous System Questions
Question 1 of 5
The layer of connective tissue that surrounds the entire nerve is known as the:
Correct Answer: B
Rationale: The epidural space is outside the meninges, not a nerve layer, but context suggests 'epineurium' (nerve sheath) was intended. (Q75 incomplete, corrected.)
Question 2 of 5
The cerebrum is divided into two hemispheres, connected by a bundle of nerve fibers known as the:
Correct Answer: A
Rationale: The corpus callosum connects cerebral hemispheres. Medulla, thalamus, and pons have other roles.
Question 3 of 5
The primary motor cortex, responsible for the voluntary control of skeletal muscles, is located in the:
Correct Answer: A
Rationale: The primary motor cortex (precentral gyrus) in the frontal lobe controls skeletal muscles.
Question 4 of 5
The gustatory cortex, involved in the perception of taste, is located in the:
Correct Answer: C
Rationale: The gustatory cortex, often in the insular/temporal region, processes taste.
Question 5 of 5
The dorsal root of a spinal nerve primarily contains:
Correct Answer: A
Rationale: Dorsal roots carry sensory (afferent) fibers to the CNS.